Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775681 | Evaluation of grouping sets by reduction to group-by clause, with or without a rollup operator, using temporary tables | Srikanth Ballamkonda, Abhinav Gupta | 2004-08-10 |
| 6775662 | Group pruning from cube, rollup, and grouping sets | Tolga Bozkaya | 2004-08-10 |
| 6622138 | Method and apparatus for optimizing computation of OLAP ranking functions | Srikanth Bellamkonda, Bhaskar Ghosh | 2003-09-16 |
| 6615206 | Techniques for eliminating database table joins based on a join index | Hakan Jakobsson, Ari Mozes, Fei Ge | 2003-09-02 |
| 6496819 | Rewriting a query in terms of a summary based on functional dependencies and join backs, and based on join derivability | Randall Bello, James L. Finnerty, Mohamed Ziauddin | 2002-12-17 |
| 6493708 | Techniques for handling function-defined hierarchical dimensions | Mohamed Ziauddin | 2002-12-10 |
| 6487546 | Apparatus and method for aggregate indexes | — | 2002-11-26 |
| 6477525 | Rewriting a query in terms of a summary based on one-to-one and one-to-many losslessness of joins | Randall Bello, James L. Finnerty, Mohamed Ziauddin | 2002-11-05 |
| 6457000 | Method and apparatus for accessing previous rows of data in a table | Bhaskar Ghosh | 2002-09-24 |
| 6449605 | Using a materialized view to process a related query containing a one to many lossless join | — | 2002-09-10 |
| 6449609 | Using materialized view to process a related query containing a one to many lossless join | — | 2002-09-10 |
| 6449606 | Using a materialized view to process a related query containing an antijoin | — | 2002-09-10 |
| 6438541 | Method and article for processing queries that define outer joined views | — | 2002-08-20 |
| 6370524 | System and method for processing queries having an inner query block containing a grouping operator | — | 2002-04-09 |
| 6353828 | Concurrency control for transactions that update base tables of a materialized view using different types of locks | Amit Ganesh | 2002-03-05 |
| 6345272 | Rewriting queries to access materialized views that group along an ordered dimension | Randall Bello, Mohamed Ziauddin | 2002-02-05 |
| 6134543 | Incremental maintenance of materialized views containing one-to-one lossless joins | Karl Dias | 2000-10-17 |
| 6125360 | Incremental maintenance of materialized views containing one-to-N lossless joins | Karl Dias | 2000-09-26 |
| 5870752 | Incremental maintenance of an approximate histogram in a database system | Phillip B. Gibbons, Yossi Matias, Viswanath Poosala | 1999-02-09 |
| 5689696 | Method for maintaining information in a database used to generate high biased histograms using a probability function, counter and threshold values | Phillip B. Gibbons, Yossi Matias | 1997-11-18 |